400th over Creek
FairMitchell County, Iowa · 098150201 · Structure no. 000000000247661
- Built
- 1978
- 47 years old
- Condition
- Fair
- inspected January 2024
- Type
- Tee Beam
- Prestressed Concrete
- Length
- 43 ft
- 1 main span
- Daily traffic
- 29
- 2022 count
- Owner
- County
- County Highway Agency
About this bridge
400th over Creek is a prestressed concrete tee beam carrying 400th over Creek in Mitchell County, Iowa. It was built in 1978, so it is 47 years old, older than the Iowa average of 45.5 years.
The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
It carries about 29 vehicles a day, projected to reach 29 by 2044. The structure is 43 ft (13.1 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).
Location
Open in Google MapsCondition and inspection
The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.
| Component | Rating | Meaning |
|---|---|---|
| Deck | 7 Good | Some minor problems. |
| Superstructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Substructure | 6 Satisfactory | Structural elements show some minor deterioration. |
| Channel and channel protection | 7 Good | Some minor problems. |
Structure
Traffic and service
Ownership and planned work
Frequently asked questions
When was 400th over Creek built?
It was built in 1978, making it 47 years old in 2025.
What condition is 400th over Creek in?
The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in January 2024.
How much traffic does 400th over Creek carry?
About 29 vehicles per day (2022 count).
How long is 400th over Creek?
The structure is 43 ft (13.1 m) long with a longest span of 40 ft (12.2 m) and a deck 24 ft wide.
Who owns 400th over Creek?
It is owned by the County Highway Agency.